[Bug 1297898] Re: Unbound variables can't be checked with -z anymore

[Ken Sharp]

Is this still an issue in a current release?

** Tags added: trusty

** Changed in: bash (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1297898

Title:
  Unbound variables can't be checked with -z anymore

Status in bash package in Ubuntu:
  Incomplete

Bug description:
  I'm using Ubuntu 14.04 dev with bash 4.3-4ubuntu1 and if bash is
  started with the -u parameter any check of unbound variables will
  raise an unbound exception. Here is a testcase:

  #!/bin/bash -u

  if [ -z $SOME_UNINITIALIZED_VARIABLE ]
  then
  	echo Variable uninitialized
  fi

  
  Executing this script will result in this output: "./test.sh: line 3: SOME_UNINITIALIZED_VARIABLE: unbound variable"

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